.academy-back-button{position:fixed;left:18px;top:18px;z-index:9998;padding:10px 15px;border-radius:999px;background:rgba(255,255,255,.96)!important;color:#587bcf!important;font-weight:800;border:1px solid #cfe0f5!important;box-shadow:0 8px 24px rgba(64,100,155,.18)!important;backdrop-filter:blur(8px);cursor:pointer}
.academy-back-button:hover{transform:translateY(-1px)}
.fx-calculator{position:fixed;right:22px;bottom:22px;z-index:2147483000;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.calc-toggle{display:block!important;border:0!important;border-radius:999px!important;padding:14px 20px!important;font-size:16px!important;font-weight:900!important;background:linear-gradient(90deg,#48cde9,#9174ff)!important;color:white!important;box-shadow:0 12px 30px rgba(78,101,190,.36)!important;cursor:pointer!important;opacity:1!important;visibility:visible!important}
.calc-panel{display:none;width:min(340px,calc(100vw - 28px));padding:15px;border:1px solid #cfe0f5;border-radius:20px;background:rgba(255,255,255,.99);box-shadow:0 20px 55px rgba(55,82,135,.3)}
.calc-panel.open{display:block!important}.calc-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;color:#35425c}.calc-close{padding:4px 10px!important;background:white!important;color:#6b7c9a!important;box-shadow:none!important;border:1px solid #dce7f5!important}.calc-display{box-sizing:border-box;width:100%!important;height:52px!important;padding:8px 12px!important;margin-bottom:10px!important;border:2px solid #d9e5f5!important;border-radius:12px!important;text-align:right!important;font-size:24px!important;color:#33405a!important;background:#fafdff!important}.calc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}.calc-grid button{min-height:45px!important;padding:8px!important;border-radius:11px!important;background:#f4f8ff!important;color:#3a4862!important;border:1px solid #dce7f5!important;box-shadow:none!important}.calc-grid .op{background:#eef1ff!important;color:#725bd8!important}.calc-grid .equals{background:linear-gradient(90deg,#65d5ed,#9b83ff)!important;color:white!important}.calc-use{width:100%;margin-top:9px!important;padding:10px!important}.calc-note{text-align:center;font-size:11px;color:#8190a7;margin-top:7px}
@media(max-width:650px){.academy-back-button{left:8px;top:8px}.fx-calculator{right:10px;bottom:10px}.calc-panel{max-height:75vh;overflow:auto}.calc-toggle{padding:12px 16px!important}}
@media print{.academy-back-button,.fx-calculator{display:none!important}}