:root{--ink:#141b30;--muted:#66718a;--blue:#2465ff;--line:#e7ecf5;--shadow:0 8px 30px #193d8910;color:var(--ink);background:#f8faff;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",sans-serif}*{box-sizing:border-box}body{margin:0;line-height:1.75}a{color:var(--blue);text-decoration:none}button,input{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #6791ff;outline-offset:4px}svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.site-header{position:relative;z-index:10;background:#ffffffc9;border-bottom:1px solid #edf0f870;backdrop-filter:blur(16px);padding:0;color:var(--ink)}.header-inner{height:82px;width:min(1240px,calc(100% - 72px));margin:auto;display:flex;align-items:center;gap:48px}.brand{display:flex;align-items:center;gap:9px;color:#101627;font-size:23px;font-weight:800;white-space:nowrap;letter-spacing:-1px}.brand svg{width:32px;height:35px;stroke:none}.header-links{display:flex;gap:30px;height:100%;align-items:center}.header-links a{position:relative;color:var(--muted);font-size:13px;font-weight:600}.header-links a.active{color:var(--blue)}.header-links a.active:after{content:"";position:absolute;bottom:-27px;left:25%;width:50%;height:3px;background:var(--blue);border-radius:2px}.header-actions{margin-left:auto;display:flex;gap:20px;align-items:center;font-size:12px;font-weight:600}.header-actions .login{color:var(--ink)}.primary-link{background:linear-gradient(120deg,#3882ff,#1352ff);color:white;padding:11px 19px;border-radius:28px;box-shadow:0 5px 15px #2465ff25}.primary-link span{margin-left:14px}.home-main{width:min(1240px,calc(100% - 72px));margin:auto;padding:0;background:none;box-shadow:none}.hero{min-height:430px;display:grid;grid-template-columns:1.15fr 1fr;align-items:center;position:relative;gap:20px;padding:48px 0 38px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:3px;color:#71809f;margin:0 0 12px}.hero h1{font-size:clamp(36px,4.6vw,62px);letter-spacing:-2px;line-height:1.25;margin:14px 0 18px;font-weight:850}.hero h1 span{background:linear-gradient(100deg,#0860ff,#8147ed 75%,#546781);background-clip:text;color:transparent}.hero-lead{font-size:14px;line-height:1.9;margin:0 0 24px;color:#414c63}.search{height:58px;background:white;border:1px solid #edf1f9;box-shadow:0 12px 40px #294b9610;border-radius:32px;display:flex;align-items:center;padding:0 20px;gap:14px;position:relative;z-index:2}.search i{height:24px;color:#5d6c8a}.search input{border:0;background:none;min-width:0;flex:1;font-size:13px;color:var(--ink)}.search input::placeholder{color:#7d869b}.search kbd{font-size:12px;background:#f6f8fd;padding:2px 8px;border:1px solid #edf0f8;border-radius:8px;white-space:nowrap}.keywords{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:11px;margin-top:16px;color:var(--muted)}.keywords button{padding:5px 13px;border-radius:24px;border:1px solid #e8edf7;background:#fff;color:#38435c}.hero-visual{position:relative;height:310px;perspective:1200px}.glow{position:absolute;inset:-40px 0;background:radial-gradient(ellipse,#dbe7ff 0%,#e4eafa66 45%,transparent 72%);filter:blur(14px)}.screen{position:absolute;left:30px;right:10px;top:38px;transform:rotateY(-14deg) rotateZ(-6deg);background:white;border:6px solid #25344a;border-radius:13px;box-shadow:14px 30px 45px #20386b2a;overflow:hidden}.screen:after{content:"";position:absolute;inset:0;background:linear-gradient(130deg,#fff5,transparent 50%);pointer-events:none}.screen-bar{display:flex;justify-content:space-between;padding:8px 14px;font-size:10px;color:#22304d;background:#f5f8ff}.screen-bar span{font-size:7px;color:#b3bdd0;letter-spacing:2px}.screen img{display:block;width:100%;height:230px;object-fit:cover;object-position:top;margin:0;border:0;border-radius:0}.float-icon{position:absolute;width:72px;height:72px;border:8px solid #ffffffbf;border-radius:20px;display:grid;place-items:center;box-shadow:0 15px 40px #20498f1c}.float-icon svg{width:34px;height:34px}.hero-visual>.green{top:0;left:6px;transform:rotate(-9deg);background:#29cf75;color:white}.hero-visual>.blue{right:-8px;top:155px;background:#398aff;color:white;transform:rotate(10deg)}.float-note{position:absolute;bottom:0;left:35px;font-size:11px;padding:12px 20px;border:1px solid white;border-radius:14px;background:#ffffffed;box-shadow:var(--shadow)}.visual-caption{position:absolute;right:20px;top:0;font-family:Georgia,serif;font-style:italic;font-size:18px;color:#7a66c3;transform:rotate(-8deg)}.quick-links{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid #edf1f8;border-radius:18px;padding:22px 10px;box-shadow:var(--shadow)}.quick-links>a{display:flex;gap:14px;padding:0 18px;align-items:center;color:var(--ink);border-right:1px solid var(--line)}.quick-links>a:last-child{border:0}.quick-links strong{font-size:13px;display:block}.quick-links small{font-size:11px;color:var(--muted);display:block}.icon{display:inline-grid;width:49px;height:49px;border-radius:14px;place-items:center;flex-shrink:0;background:var(--tint,#ebf2ff);color:var(--accent,#2878ff)}.blue{--accent:#2878ff;--tint:#eef4ff;--wash:#e1ebff}.green{--accent:#1dc97a;--tint:#eafbf4;--wash:#ddf7ec}.amber{--accent:#ffac28;--tint:#fff5e6;--wash:#fff1de}.pink{--accent:#fa538c;--tint:#fff0f6;--wash:#ffe7ef}.violet{--accent:#9658fa;--tint:#f3edff;--wash:#eee6ff}.slate{--accent:#667ca5;--tint:#eff3f9;--wash:#e5edf8}.section{padding-top:40px;scroll-margin-top:30px}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:20px}.section-head .eyebrow{margin-bottom:5px}.section-head h2{font-size:25px;letter-spacing:-.6px;margin:0;line-height:1.4;border:0;padding:0}.section-head p:not(.eyebrow){font-size:13px;color:var(--muted);margin:5px 0 0}.guide-count{color:#77839b;font-size:12px}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.category{position:relative;overflow:hidden;display:block;min-height:218px;padding:24px 24px 17px;border:1px solid #e6edf7;border-radius:15px;background:linear-gradient(145deg,white 35%,var(--tint));color:var(--ink);box-shadow:0 4px 13px #1e448306;transition:transform .18s,box-shadow .18s}.category:before{content:"";position:absolute;right:-25px;top:-25px;width:110px;height:110px;background:linear-gradient(145deg,var(--wash),transparent);transform:rotate(38deg);border-radius:18px}.category:hover{transform:translateY(-4px);box-shadow:0 10px 24px #2c559317}.category .icon{background:var(--accent);color:white;box-shadow:0 5px 10px var(--wash);width:43px;height:43px;border-radius:12px}.category h3{font-size:17px;margin:15px 0 5px;line-height:1.45}.category p{font-size:12px;color:#66718a;line-height:1.7;margin:0}.card-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:15px;font-size:11px;color:#485673}.card-bottom b{display:grid;place-items:center;width:27px;height:27px;border:1px solid #edf0f6;background:white;border-radius:50%;font-size:15px;color:#273f6a}.pickup{padding-bottom:55px}.pickup-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.pickup-grid>a{display:grid;grid-template-columns:100px 1fr;gap:16px;padding:14px;background:white;border:1px solid var(--line);border-radius:14px;color:var(--ink)}.pickup-grid img{width:100px;height:140px;object-fit:cover;object-position:top left;border:1px solid #edf0f8;border-radius:9px;margin:0}.tag{font-size:9px;font-weight:700;border-radius:5px;padding:3px 7px;color:var(--accent,#2465ff);background:var(--tint,#eef3ff)}.pickup-grid h3{font-size:13px;margin:7px 0 4px;line-height:1.5}.pickup-grid p{font-size:11px;color:var(--muted);line-height:1.6;margin:0 0 10px}.pickup-grid b{font-size:10px;color:var(--blue)}.site-footer{border-top:1px solid var(--line);padding:25px 36px;display:flex;justify-content:space-between;font-size:11px;color:#7c88a1;background:white}.site-footer span:first-child{font-weight:700;color:#4c5c77}#search-status{font-size:13px;color:#4c5c77}.category[hidden]{display:none}
.academy-article{background:#f7f9fe}.academy-article .site-header{position:sticky;top:0}.academy-article .site-header div{width:auto;margin:0}.academy-article .site-header .header-inner{width:min(1320px,calc(100% - 64px));margin:auto}.academy-article .site-header nav{width:auto;margin:0;padding:0;display:flex}.academy-article .site-header nav a{border:0;border-radius:0;background:none;padding:0}.article-layout{display:grid;grid-template-columns:230px minmax(0,820px);gap:36px;width:min(1120px,calc(100% - 64px));margin:30px auto 60px;align-items:start}.article-sidebar{position:sticky;top:110px;max-height:calc(100vh - 140px);overflow:auto;font-size:12px;padding-right:15px}.side-label{font-size:10px;letter-spacing:2px;color:#7b88a3;margin:12px 0}.article-sidebar a{display:block;color:#64708a;padding:8px 12px;border-radius:8px}.article-sidebar a.selected{background:#eaf1ff;color:#2262e9;font-weight:700}.article-sidebar hr{border:0;border-top:1px solid var(--line);margin:24px 0}.article-sidebar .step-link{font-size:11px;line-height:1.6}.article-sidebar .step-link.active{color:#2465ff;background:#edf3ff}.article-area{min-width:0}.article-breadcrumb{font-size:11px;color:#8490a6;display:flex;gap:9px;margin:4px 0 20px}.article-breadcrumb a{color:#73809b}.article-heading{padding:6px 0 27px}.article-heading .tag{font-size:11px;padding:5px 10px;background:#e4f9ee;color:#1a985a}.article-heading h1{font-size:32px;letter-spacing:-.8px;line-height:1.45;margin:12px 0 9px;color:#17213b}.article-heading p{font-size:12px;color:#7d89a0;margin:0}.academy-article main{width:100%;margin:0;background:white;padding:32px 40px 45px;border-radius:16px;border:1px solid var(--line);box-shadow:0 4px 20px #233e7404}.academy-article main>h1:first-of-type{display:none}.academy-article main p,.academy-article main li{font-size:14px;line-height:1.95;color:#47536b}.academy-article main>p:first-of-type{font-size:11px;color:#8a95a9;border-bottom:1px solid var(--line);padding-bottom:17px;margin-top:0}.academy-article main h2{font-size:21px;color:#16223e;margin:42px 0 20px;padding-top:28px;border-top:1px solid var(--line);line-height:1.6}.academy-article main h3{font-size:16px;color:#243657;margin:25px 0 12px}.academy-article main h2 span,.academy-article main h3 span{display:none}.academy-article main strong{color:#263a60}.academy-article main blockquote{padding:17px 22px;border-left:3px solid #2acb88;background:#f0fcf7;border-radius:0 10px 10px 0;margin:25px 0}.academy-article main blockquote p{margin:4px 0;font-size:13px}.academy-article main img{border:1px solid #e5eaf4;border-radius:9px;box-shadow:0 5px 18px #152e6710;width:100%;height:auto;margin:20px 0 10px}.academy-article main th{background:#f2f6fd}.academy-article main th,.academy-article main td{font-size:12px;padding:12px}.academy-article main a[id],.academy-article main h2{scroll-margin-top:108px}.mobile-toc{display:none}.back-top{position:fixed;bottom:22px;right:24px;width:40px;height:40px;display:grid;place-items:center;background:white;color:#2365ff;border:1px solid #dfe7f7;border-radius:50%;box-shadow:var(--shadow);font-size:19px}.article-end{font-size:12px;margin-top:22px;text-align:right}
@media(max-width:1050px){.header-inner{gap:25px}.header-links{gap:18px}.header-actions .login{display:none}.hero h1{font-size:45px}.hero-visual{height:270px}.screen img{height:190px}.quick-links>a{padding:0 10px;gap:9px}.quick-links small{font-size:10px}.quick-links .icon{width:39px;height:39px}.category-grid{grid-template-columns:repeat(3,1fr)}.pickup-grid{grid-template-columns:1fr}.pickup-grid>a{grid-template-columns:120px 1fr}.pickup-grid img{width:120px;height:110px}.article-layout{grid-template-columns:195px minmax(0,1fr);gap:22px}.academy-article main{padding:26px}.article-heading h1{font-size:27px}}
@media(max-width:720px){.header-inner,.academy-article .site-header .header-inner{height:68px;width:calc(100% - 32px);gap:10px}.brand{font-size:19px}.brand svg{width:26px}.header-links{display:none!important}.header-actions{font-size:10px}.primary-link{padding:9px 12px}.primary-link span{margin-left:6px}.home-main{width:calc(100% - 36px)}.hero{display:flex;flex-direction:column;align-items:stretch;gap:20px;padding:35px 0 28px}.hero h1{font-size:41px;letter-spacing:-1.5px}.hero-lead{font-size:12px}.hero-visual{height:230px;max-width:430px;width:100%;margin:5px auto}.screen{left:34px;right:28px;top:25px}.screen img{height:160px}.float-icon{width:54px;height:54px;border-width:6px;border-radius:15px}.float-icon svg{width:27px;height:27px}.hero-visual>.blue{right:8px;top:120px}.float-note{font-size:10px;left:20px;bottom:0;padding:8px 15px}.visual-caption{font-size:15px}.search{height:52px;padding:0 16px}.search kbd{display:none}.quick-links{grid-template-columns:1fr 1fr;padding:8px;border-radius:14px}.quick-links>a{padding:14px 8px;border:0;gap:9px}.quick-links strong{font-size:11px}.quick-links small{font-size:9px}.quick-links .icon{width:35px;height:38px}.quick-links svg{width:21px}.section{padding-top:30px}.section-head h2{font-size:22px}.section-head p:not(.eyebrow){font-size:11px}.guide-count{display:none}.category-grid{grid-template-columns:1fr 1fr;gap:10px}.category{padding:17px 15px 13px;min-height:215px}.category h3{font-size:14px}.category p{font-size:11px}.category p br{display:none}.category .icon{width:38px;height:38px}.card-bottom{font-size:10px}.site-footer{padding:20px;gap:10px;flex-direction:column;font-size:10px}.article-layout{display:block;width:calc(100% - 32px);margin-top:22px}.article-sidebar{display:none}.article-heading h1{font-size:26px}.article-heading{padding-bottom:20px}.academy-article main{padding:23px 20px;border-radius:12px}.academy-article main p,.academy-article main li{font-size:13px}.academy-article main h2{font-size:19px}.academy-article main th,.academy-article main td{font-size:11px;min-width:100px}.mobile-toc{display:block;border:1px solid var(--line);background:white;border-radius:10px;margin-bottom:18px;padding:12px 16px;font-size:12px}.mobile-toc summary{font-weight:700;cursor:pointer}.mobile-toc a{display:block;padding:6px 0}.back-top{right:13px;bottom:14px}.article-breadcrumb{font-size:10px;flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
/* Keep the article header actions aligned with the home header. */
.academy-article .site-header .header-actions{margin-left:auto}

.site-header{position:sticky;top:0;z-index:50;background:rgba(246,246,248,.85);backdrop-filter:blur(14px);border-bottom:1px solid rgba(17,17,20,.06);color:#111114;font-family:"Noto Sans JP","Hiragino Sans",sans-serif}
.site-header .header-inner,.academy-article .site-header .header-inner{height:auto;width:min(1200px,100%);max-width:1200px;margin:0 auto;padding:14px 24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px}
.site-header .brand{display:flex;align-items:center;gap:12px;color:#111114;font-size:0;font-weight:400;letter-spacing:0}
.site-header .brand img.mark{width:30px;height:30px}
.site-header .brand img.word{width:186px;height:14px}
.site-header .header-links{display:flex!important;order:2;flex:1 0 100%;align-items:center;gap:20px;overflow-x:auto;white-space:nowrap;font-size:15px;font-weight:500}
.site-header .header-links a,.academy-article .site-header nav a{color:#111114;padding:0;border:0;border-radius:0;background:none;font-weight:500}
.site-header .header-links a[aria-current="page"]{color:#E8501A;font-weight:700}
.site-header .header-links a:hover{color:#E8501A}
.site-header .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;order:1}
.site-header .header-actions .login{display:inline-flex!important;padding:11px 18px;font-size:15px;font-weight:700;color:#111114}
.site-header .header-actions .login:hover{color:#E8501A}
.site-header a.primary-link{display:inline-flex;align-items:center;padding:11px 22px;border-radius:999px;background:#111114;color:#fff!important;font-size:15px;font-weight:700}
@media(min-width:1024px){.site-header .header-links{order:0;flex:0 1 auto;width:auto;gap:28px;overflow:visible}.site-header .header-actions{order:0}}
@media(max-width:639px){.site-header .brand img.word{display:none}}
footer.site-footer.lp-footer{display:block;border-top:1px solid rgba(17,17,20,.08);background:#F6F6F8;color:#111114;padding:56px 24px;font-size:14px;font-family:"Noto Sans JP","Hiragino Sans",sans-serif}
.lp-footer-inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;gap:48px;flex-wrap:wrap}
.lp-footer-brand{flex:1 1 380px;max-width:520px;display:flex;flex-direction:column;gap:14px}
.lp-footer-brand img{width:186px;height:14px}
.lp-footer-brand strong{font-weight:700}
.lp-footer-brand p{margin:0;color:#4A4A52;line-height:1.9}
.lp-footer-cols{display:flex;gap:48px;flex-wrap:wrap}
.lp-footer-cols div{display:flex;flex-direction:column;gap:10px}
.lp-footer-cols span{font-weight:700;color:#6A6A72}
.lp-footer a{color:#111114}
.lp-footer a:hover{color:#E8501A}
.lp-footer-copy{max-width:1200px;margin:48px auto 0;color:#6A6A72;font-size:12px}