:root{--max: 760px;--max-wide: 1100px;--s-page: #f4f6f8;--s-raised: #ffffff;--s-sunken: #e9edf2;--line: #d8dee7;--line-strong: #bcc5d3;--fg: #1b1d1f;--t-strong: #0d1b2e;--muted: #4a5460;--accent: #16407a;--accent-deep: #0f2f5e;--accent-soft: #eef3f9;--s-ink: #112545;--s-ink-soft: #1d3a66;--t-on-ink: #f3f6fb;--t-on-ink-muted: #aab8cc;--warn-bg: #fff8e6;--warn-line: #e8c34d;--warn-fg: #5c4a12;--bg-soft: #eef1f5;--fs-display: 3rem;--fs-h1: 2rem;--fs-h2: 1.4rem;--fs-h3: 1.14rem;--lh-head: 1.32;--lh-body: 1.85;--radius-card: 8px;--radius-aux: 4px;--radius-btn: 6px;--section-y: clamp(48px, 6vw, 84px);--shadow-1: 0 1px 2px rgba(16,37,69,.05);--shadow-2: 0 6px 20px rgba(16,37,69,.09)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;font-size:17px}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Hiragino Sans,Noto Sans JP,sans-serif;color:var(--fg);line-height:var(--lh-body);background:var(--s-page);overflow-x:clip;border-top:3px solid var(--accent)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.site-header{border-bottom:1px solid var(--line);background:#fff}.site-header .inner{max-width:var(--max-wide);margin:0 auto;padding:14px 24px;display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center;justify-content:space-between}.site-header .brand-block{display:flex;flex-direction:row;align-items:center;gap:11px;text-decoration:none}.site-header .brand-block:hover{text-decoration:none}.site-header .brand-mark{display:block;width:40px;height:40px;flex:0 0 auto}.site-header .brand-text{display:flex;flex-direction:column;gap:1px}.site-header .brand{font-weight:700;font-size:1.2rem;color:var(--accent);letter-spacing:.01em}.site-header .brand-desc{font-size:.78rem;color:var(--muted);font-weight:400}.site-header nav{display:flex;flex-wrap:wrap;gap:16px}.site-header nav a{color:var(--muted);font-size:.92rem}.site-header nav a:hover{color:var(--accent)}.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:11px;background:#fff;border:1px solid var(--line);border-radius:8px;cursor:pointer}.nav-toggle:hover{border-color:var(--accent)}.nav-toggle__bar{display:block;width:100%;height:2px;background:var(--accent);border-radius:2px;transition:transform .18s ease,opacity .18s ease}.site-header.nav-open .nav-toggle__bar:nth-child(1){transform:translateY(7px) rotate(45deg)}.site-header.nav-open .nav-toggle__bar:nth-child(2){opacity:0}.site-header.nav-open .nav-toggle__bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}main{max-width:var(--max);margin:24px auto;padding:30px 26px 48px;background:var(--s-raised);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1)}main.wide{max-width:var(--max-wide);padding:0 24px 64px;background:transparent;border:0;border-radius:0;box-shadow:none}.hero-media{position:relative;overflow:hidden;border-radius:0;width:100vw;margin-left:calc(50% - 50vw);margin-bottom:6px;background:var(--s-ink)}.hero-media__img{display:block;width:100%;height:clamp(320px,40vw,460px);object-fit:cover;object-position:82% 50%}.hero-media__overlay{position:absolute;inset:0;display:flex;align-items:center;background:linear-gradient(90deg,#112545f2,#112545c7 24%,#11254580 46%,#11254547 66%,#1125451a 84%,#11254500)}.hero-media__inner{width:100%;max-width:var(--max-wide);margin:0 auto;padding:clamp(32px,5vw,64px) 24px}.hero-media__inner>*{max-width:580px}.hero-media__inner .hero-eyebrow{display:inline-block;font-size:.72rem;letter-spacing:.16em;font-weight:600;color:#8fb4e6;margin:0 0 14px}.hero-media__overlay .tagline{color:#cfe0f5;font-size:1.1rem;font-weight:600;margin:0 0 .35em;text-shadow:none}.hero-media__overlay h1{font-size:var(--fs-display);line-height:1.2;margin:0 0 .3em;letter-spacing:0;color:#fff;text-shadow:none}.hero-media__overlay .hero-desc{margin:0 0 1.3em;max-width:44ch;color:var(--t-on-ink-muted);font-size:1rem;line-height:1.7}.hero-media__overlay .hero-cta{display:inline-flex;align-items:center;align-self:flex-start;background:#fff;color:var(--s-ink);font-weight:700;font-size:.96rem;padding:12px 26px;border-radius:var(--radius-btn);box-shadow:var(--shadow-2);transition:background .15s ease,transform .15s ease}.hero-media__overlay .hero-cta:hover{background:#eaf0f8;text-decoration:none;transform:translateY(-1px)}.trust-band{display:flex;flex-wrap:wrap;gap:4px 14px;align-items:center;font-size:.84rem;color:var(--muted);margin:14px 0 6px}.trust-band__g{display:flex;flex-wrap:wrap;align-items:center;gap:4px 14px}.trust-band__g span{display:inline-flex;align-items:center}.trust-band__g span+span:before{content:"・";margin-right:14px;color:#b6bdc7}.trust-band b{color:var(--accent);font-weight:600}.trust-band a{color:var(--accent)}.hero-disclosure{font-size:.88rem;color:var(--muted);margin-top:1em}.cat-filter{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 16px}.cat-filter button{font:inherit;font-size:.9rem;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 16px;cursor:pointer;transition:border-color .15s ease,color .15s ease,background .15s ease}.cat-filter button:hover{border-color:var(--accent);color:var(--accent)}.cat-filter button[aria-pressed=true]{background:var(--accent);color:#fff;border-color:var(--accent)}.section-head{font-size:var(--fs-h2);color:var(--t-strong);font-weight:700;margin:10px 0 0}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin:14px 0 0;padding:0;list-style:none}.card{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--s-raised);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-1);transition:box-shadow .15s ease,transform .15s ease}.card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}.card__thumb{width:100%;aspect-ratio:16 / 9;object-fit:contain;display:block;background:var(--s-sunken)}.card__thumb--ph{aspect-ratio:16 / 9;display:flex;align-items:center;justify-content:center;font-size:.82rem;letter-spacing:.08em;color:#8a94a2;background:linear-gradient(135deg,#eef2f7,#f6f8fb);border-bottom:1px solid var(--line)}.card__body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}.card__cat{align-self:flex-start;font-size:.76rem;color:var(--muted);background:var(--s-sunken);border-radius:var(--radius-aux);padding:2px 9px}.card[data-cc=fx] .card__cat{color:#1656b0;background:#e9f1fc;border:1px solid #cfe1f6}.card[data-cc=securities] .card__cat{color:#1b2f5e;background:#e9edf6;border:1px solid #ccd5e8}.card[data-cc=stocks] .card__cat{color:#a85911;background:#fdeede;border:1px solid #f4d6b3}.card[data-cc=trust] .card__cat{color:#4f7a1e;background:#eef6e0;border:1px solid #d6e8b8}.card[data-cc=crypto] .card__cat{color:#6a3da0;background:#f2ebf9;border:1px solid #ddd0ee}.card[data-cc=cfd] .card__cat{color:#2f7d52;background:#e7f4ec;border:1px solid #c8e6d4}.card[data-cc=options] .card__cat{color:#a63d6e;background:#fbe9f1;border:1px solid #f2cfe0}.card[data-cc=guides] .card__cat{color:#6f5d33;background:#f4eede;border:1px solid #e6dabb}.card[data-cc=companies] .card__cat{color:#4a5460;background:#eceef1;border:1px solid #d8dee7}.card__title{font-size:var(--fs-h3);font-weight:700;line-height:var(--lh-head);color:var(--t-strong);margin:0}.card__title a{color:var(--t-strong)}.card__title a:hover{color:var(--accent);text-decoration:underline}.card__desc{font-size:.9rem;color:var(--muted);line-height:1.6;margin:0;flex:1}.card__meta{font-size:.8rem;color:var(--muted);margin:0;padding-top:8px;border-top:1px solid var(--s-sunken)}.card__thumb-link{display:block;line-height:0}.hero h1{font-size:var(--fs-h1);line-height:var(--lh-head);color:var(--t-strong);margin:.2em 0 .15em}.hero .tagline{color:var(--muted);font-size:1.08rem;margin:0 0 .8em}article h1{font-size:var(--fs-h1);line-height:var(--lh-head);color:var(--t-strong)}article h2{font-size:var(--fs-h2);line-height:var(--lh-head);color:var(--t-strong);margin-top:1.9em;border-bottom:1px solid var(--line);padding-bottom:.25em}article h3{font-size:var(--fs-h3);line-height:var(--lh-head);color:var(--t-strong);margin-top:1.5em}.ad-disclosure,.risk-notice{background:var(--warn-bg);border:1px solid var(--warn-line);border-left:4px solid var(--warn-line);border-radius:8px;padding:13px 16px;font-size:.92rem;line-height:1.7;color:var(--warn-fg);margin:18px 0}.risk-notice strong{color:var(--warn-fg)}.official-confirm{font-size:.9rem;color:var(--muted);background:var(--bg-soft);border-radius:8px;padding:11px 14px;margin:16px 0}.official-sources{font-size:.9rem;background:var(--bg-soft);border-radius:8px;padding:13px 15px;margin:18px 0}.official-sources strong{display:block;margin-bottom:6px;color:var(--fg)}.official-sources ul{margin:0;padding-left:1.2em}.official-sources li{word-break:break-all;margin:2px 0}.last-updated{font-size:.82rem;color:var(--muted);margin-top:26px}.affiliate-link-missing{color:var(--muted)}.cta{display:block;border:1px solid var(--line);border-radius:8px;background:var(--accent-soft);padding:13px 16px;margin:18px 0;font-size:.94rem}.cta a{color:var(--accent);font-weight:600}.cta .cta__note{display:block;font-size:.82rem;color:var(--muted);margin-top:4px}.site-identity{border-top:1px solid var(--line);background:var(--bg-soft);margin-top:56px}.site-identity .inner{max-width:var(--max-wide);margin:0 auto;padding:32px 24px 48px;font-size:.86rem;color:var(--muted);line-height:1.8}.site-identity .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:28px}.site-identity h4{font-size:.82rem;color:var(--fg);margin:0 0 8px;letter-spacing:.04em}.site-identity strong{color:var(--fg)}.site-identity a{color:var(--muted);text-decoration:underline}.site-identity ul{list-style:none;margin:0;padding:0}.site-identity li{margin:4px 0}.site-identity .privacy-note{margin-top:24px;padding-top:16px;border-top:1px solid var(--line);font-size:.8rem}.site-identity .copyright{margin-top:12px;font-size:.8rem}@media (max-width: 768px){:root{--fs-display: 2.15rem;--fs-h1: 1.7rem;--fs-h2: 1.28rem}.site-header .inner{padding:11px 16px;gap:8px}.site-header .brand-block{gap:9px;flex:1 1 auto;min-width:0}.site-header .brand-mark{width:32px;height:32px}.site-header .brand{font-size:1.04rem}.site-header .brand-desc{display:none}.site-header.js .nav-toggle{display:inline-flex}.site-header .site-nav{flex-basis:100%;width:100%;flex-direction:column;gap:0}.site-header .site-nav a{padding:12px 4px;border-top:1px solid var(--line);font-size:1rem}.site-header.js .site-nav{display:none}.site-header.js.nav-open .site-nav{display:flex}.hero-media{display:flex;flex-direction:column;width:100vw;margin-left:calc(50% - 50vw);margin-bottom:4px}.hero-media__img{height:136px;border-radius:0;object-position:60% 50%}.hero-media__overlay{position:static;inset:auto;display:block;background:var(--s-ink)}.hero-media__inner{padding:18px 16px 22px}.hero-media__inner>*{max-width:none}.hero-media__inner .hero-eyebrow{margin-bottom:12px}.hero-media__overlay .tagline{font-size:1rem}.hero-media__overlay h1{font-size:var(--fs-h1);margin:0 0 .5em}.hero-media__overlay .hero-desc{display:block;margin:.2em 0 1.1em;font-size:1rem}.hero-media__overlay .hero-cta{margin-top:2px;width:100%;justify-content:center;padding:13px 20px}.trust-band{flex-direction:column;gap:8px;margin:16px 0 6px}.trust-band__g{gap:4px 14px}.trust-band__g span+span:before{content:none;margin:0}.cat-filter{flex-wrap:nowrap;overflow-x:auto;gap:8px;margin:16px 0 14px;padding-bottom:4px;scrollbar-width:thin;-webkit-overflow-scrolling:touch;scroll-snap-type:x proximity}.cat-filter button{flex:0 0 auto;scroll-snap-align:start}.site-identity .cols{grid-template-columns:1fr;gap:18px}}@media (max-width: 480px){main.wide{padding:0 16px 48px}main:not(.wide){padding:24px 16px 40px;border-radius:0;border-left:0;border-right:0;margin:16px auto}.site-header .inner{padding:10px 14px}.hero-media__overlay h1{font-size:1.5rem}}#articles{scroll-margin-top:14px}article img,article svg,article video,article iframe,article canvas,article figure{max-width:100%;height:auto}article figure{margin:1.3em 0}article figure img{display:block;margin:0 auto}article figure figcaption{font-size:.85rem;color:var(--muted);margin-top:6px;text-align:center}.article-hero{display:block;width:100%;height:auto;max-width:100%;margin:18px 0 6px;border:1px solid var(--line);border-radius:12px}article{overflow-wrap:break-word;word-break:break-word}article table{display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:1.3em 0;font-size:.95rem;line-height:1.7;-webkit-overflow-scrolling:touch}article table thead{background:var(--accent-soft)}article table th,article table td{border:1px solid var(--line);padding:9px 13px;text-align:left;vertical-align:top}article table thead th{color:var(--fg);font-weight:700}article table tbody tr:nth-child(2n) td{background:#fbfcfd}article table tbody td:first-child{font-weight:600;background:var(--bg-soft)}.callout{border:1px solid var(--line);border-left:4px solid var(--accent);background:var(--bg-soft);border-radius:8px;padding:13px 16px;margin:18px 0;font-size:.94rem;line-height:1.78}.callout>.callout__title{display:block;font-weight:700;color:var(--accent);font-size:.9rem;margin-bottom:5px;letter-spacing:.02em}.callout p{margin:.45em 0}.callout p:first-of-type{margin-top:0}.callout p:last-child{margin-bottom:0}.callout ul{margin:.45em 0;padding-left:1.25em}.callout li{margin:3px 0}.callout a{color:var(--accent);font-weight:600}.callout--caution{border-left-color:#9a3b2f;background:#fbf6f5}.callout--caution>.callout__title{color:#9a3b2f}.steps{list-style:none;counter-reset:step;margin:1.3em 0;padding:0;display:grid;gap:10px}.steps>li{counter-increment:step;position:relative;background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px 16px 12px 50px}.steps>li:before{content:counter(step);position:absolute;left:12px;top:13px;width:26px;height:26px;display:flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;border-radius:50%;font-size:.85rem;font-weight:700}.steps>li b{color:var(--fg)}@media (max-width: 480px){article table{font-size:.88rem}article table th,article table td{padding:7px 9px}}.rtable th,.rtable td{border:1px solid var(--line);padding:9px 13px;text-align:left;vertical-align:top}.rtable thead th{background:var(--accent-soft);color:var(--fg);font-weight:700}.rtable tbody td:first-child{background:var(--bg-soft);font-weight:600}.rtable tbody tr:nth-child(2n) td{background:transparent}@media (max-width: 560px){.rtable,.rtable tbody,.rtable tr,.rtable td{display:block;width:100%}.rtable thead{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);border:0}.rtable tr{border:1px solid var(--line);border-radius:8px;margin:0 0 12px;overflow:hidden;background:#fff}.rtable td{border:none;border-bottom:1px solid var(--line);padding:9px 14px 9px 40%;position:relative;min-height:42px}.rtable td:last-child{border-bottom:none}.rtable td:before{content:attr(data-label);position:absolute;left:14px;top:9px;width:34%;padding-right:8px;font-weight:600;color:var(--muted);font-size:.85rem}.rtable tbody td:first-child{background:var(--accent-soft);font-weight:700;padding:9px 14px;min-height:0}.rtable tbody td:first-child:before{content:none}}